Sleep support device



FIG. 1 is a top plan view of the sleep support device of the presentinvention showing our new design;

FIG. 2 is a side elevational view thereof the opposite side beingidentical thereto; and,

FIG. 3 is an end elevational view thereof the opposite end beingidentical thereto.

The bottom of the article is not part of the claimed design.

The ornamental design for a sleep support device, as shown anddescribed.